Classes
DEA Class; Rx
Common Brand Names; DynaCirc
- Calcium Channel Blockers;
- Calcium Channel Blockers, Dihydropyridine
Description
Used for hypertension and angina
More potent than nifedipine and amlodipine; longer-acting than regular-release nifedipine but shorter-acting than amlodipine
Indications
Indicated for the treatment of hypertension.
Contraindications
Hypersensitivity to isradipine or other calcium channel blockers; hypotension (<90 mm Hg systolic)
Adverse Effects
- Headache (2-22%)
- Edema (1-9%)
- Dizziness (2-8%)
- Palpitation (1-5%)
- Flushing (1-5%)
- Tachycardia (1-3%)
- Chest pain (2-3%)
- Rash (2%)
- Nausea (1-5%)
- Vomiting (≤1%)
- Diarrhea (≤ 3%)
- Weakness (≤1%)
- Dyspnea (1-3%)
- Urinary frequency (1-3%)
- Drug-induced gingival hyperplasia
- Angioedema
- Drowsiness
- Hyperhidrosis
- Leg pain
- Nasal congestion
- Drug fever
- Dysuria
- Impotence
- Pruritus
- Urticaria
- Weight gain
- Myocardial infarction
Warnings
Use caution in CHF, aortic stenosis, hypotension (initially or after dose increases), persistent progressive dermatologic reactions, exacerbation of angina (during initiation of treatment, after dose increase, or withdrawal of beta blocker), liver impairment
Reflex tachycardia resulting in angina and/or MI in patients with obstructive coronary disease reported
Peripheral edema may occur within 2-3 weeks of initiating therapy
Hypotension with or without syncope is possible (particularly with severe aortic stenosis)
Avoid taking with grapefruit juice
Pregnancy and Lactation
Pregnancy Category: C
Lactation: not known if excreted into breast milk
Maximum Dosage
20 mg/day PO.
20 mg/day PO.
Safety and efficacy have not been established; however, doses up to 0.6 to 0.8 mg/kg/day PO, not to exceed 10 to 20 mg/day PO, have been recommended.
Safety and efficacy have not been established; however, doses up to 0.6 to 0.8 mg/kg/day PO, not to exceed 10 to 20 mg/day PO, have been recommended.
Safety and efficacy have not been established; however, a mean dose of 0.27 +/- 0.11 mg/kg/day PO has been reported.
Safety and efficacy have not been established; however, a mean dose of 0.27 +/- 0.11 mg/kg/day PO has been reported.
How supplied
Isradipine
capsule
- 2.5mg
- 5mg
tablet, extended release
- 5mg
- 10mg